POWER OF ATTORNEY FOR FILINGS UNDER
THE SECURITIES ACT OF 1933, AS AMENDED AND
THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

Know all by these presents, that the undersigned hereby constitutes
and appoints the Secretary and any Assistant Secretary of Minerals
Technologies Inc. (the "Company"), acting singly, with full power of
substitution,  as the undersigned's true and lawful attorneys-in-fact
and agents to:

    (1) execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of the Company,
all documents, certificates, instruments, statements, filings and
agreements ("documents") to be filed with or delivered in accordance
with the Securities Act of 1933, as amended (the "Securities Act"),
and the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), and the rules and regulations thereunder;

    (2) do and perform any and all acts for and on behalf of the
undersigned that may be necessary or desirable to complete and
execute and timely file any such documents with the United States
Securities and Exchange Commission (the "SEC") and any stock exchange
or similar authority; and

    (3) take any other action of any type whatsoever that, in the
opinion of such attorneys-in-fact, may be necessary or desirable in
connection with the foregoing authority, it being understood that the
documents executed by such attorneys-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorneys-in-fact
may approve.

The undersigned hereby grants to such attorneys-in-fact full power
and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorneys-in-fact
substitute or substitutes, have lawfully done or cause to be done or
shall lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted. The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, are not assuming any of
the undersigned's responsibilities to comply with the Securities Act
and the Exchange Act.

All pre-existing Powers of Attorney granted to the persons designated
above are hereby revoked.  This Power of Attorney shall remain in
full force and effect until the undersigned is no longer required to
file documents under the Securities Act and the Exchange Act with
respect to the undersigned's holdings of and transactions in
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys-
in-fact. This Power of Attorney may be filed with the SEC as a
confirming statement of the authority granted herein.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 5th day of January, 2023.

/s/ Erin N. Cutler

Erin N. Cutler